PlainZIP

Fenton, IL · standard

ZIP Code 61251

Whiteside County, Illinois - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

347
8/sq mi
$79,464
Median income
$190,900
Median home value
0.0%
Bachelor's or higher

The verdict

Fenton pairs an above-median household income with below-median home values, in a rural, homeowner-dominated area.

Top 39%
household income, US ZIPs
41th pct
home value, US ZIPs
8
people per sq mi
86%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 61251 against every reporting US ZIP.

ZIP code 61251 is a sparsely populated ZIP (a standard USPS delivery area) in Fenton, Whiteside County, Illinois, home to just 347 residents across 46.3 square miles, a density of 8 people per square mile, in the Chicago time zone.

ZIP 61251 lands in the middle-income range, with a median household income of $79,464 (1% below the Illinois average), while per-capita income is $32,686. 8.5% of residents live below the poverty line, and the unemployment rate reads 10.0%. On housing, the median home value is $190,900 (1% below the state average) with median rent at - per month, and 86.1% of occupied units are owner-occupied.

Formal educational attainment runs low here: just 0.0% of adults hold a bachelor's degree or higher, the median age is 36.1, and the average commute is -. To put 61251 in local context, 6 ZIP codes within roughly 10 miles appear further down this page alongside 6 additional ZIPs in Whiteside County, for a geography-aware comparison.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 61251, Fenton, IL · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

347

Population

46.3

Area (sq mi)

8

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 61251?

36.1

Median Age

50.4%

Male

49.6%

Female

0.0%

Foreign-Born

White 92.8%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 7.2%
Hispanic or Latino 0.0%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$79,464

Median Household Income

-1% vs state

$32,686

Per Capita Income

8.5%

Poverty Rate

10.0%

Unemployment Rate

How ZIP 61251 ranks nationally

Fenton, IL household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$79,464 Top 39% higher than 61% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). This entry sits in this band. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 72.5%
Bachelor's Degree or Higher 0.0%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

158

Total Housing Units

158

Occupied Units

0

Vacant Units

2.39

Avg Household Size

Occupancy Type

Owner 86.1%
Renter 13.9%

$190,900

Median Home Value

-1% vs state

1957

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What businesses operate in this ZIP?

Census Bureau data shows 3 business establishments in ZIP 61251, employing approximately 10 people with a combined annual payroll of $516,000.

3

Businesses

10

Employees

$516K

Annual Payroll

1

Industry Sectors

Industry Establishments % of Total
Wholesale trade 3 100.0%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 61251 vs 61250 →

ZIP 61251 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 61251 ranks #7 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 61251 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 61251 ranks #3 of 7 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
61250 Erie, IL 2,737 5.1 mi
61230 Albany, IL 1,232 7.2 mi
61252 Fulton, IL 5,436 8.1 mi
61270 Morrison, IL 7,306 8.9 mi
61277 Prophetstown, IL 3,355 11.3 mi
61257 Hillsdale, IL 1,210 12.3 mi

More ZIP Codes in Whiteside County

61081 standard
Sterling, IL
Pop: 21,934
61071 standard
Rock Falls, IL
Pop: 14,381
61270 standard
Morrison, IL
Pop: 7,306
61252 standard
Fulton, IL
Pop: 5,436
61277 standard
Prophetstown, IL
Pop: 3,355
61250 standard
Erie, IL
Pop: 2,737

Related Areas

Whiteside County Fenton, IL Illinois

Frequently Asked Questions

What county is ZIP code 61251 in? ▼
ZIP code 61251 (Fenton) is located in Whiteside County, Illinois. Whiteside County contains multiple ZIP codes, see the full list at /counties/whiteside-il.
What is the population of ZIP code 61251? ▼
ZIP code 61251 in Fenton, IL has a population of 347 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 61251? ▼
The median household income in ZIP 61251 is $79,464, which is 4% above the national average of $76,288.
What is the average home value in ZIP 61251? ▼
The median home value in ZIP 61251 is $190,900, which is 31% below the national average of $278,155.
What is the demographic makeup of ZIP 61251? ▼
The largest racial group in ZIP 61251 is White at 92.8%.
How many businesses are in ZIP code 61251? ▼
ZIP code 61251 has 3 business establishments employing approximately 10 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What percentage of residents own vs. rent in ZIP 61251? ▼
In ZIP code 61251, approximately 86.1% of occupied housing units are owner-occupied and 13.9% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 61251? ▼
The poverty rate in ZIP code 61251 is 8.5% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.